1. A.R. Edmonds, Angular Momentum in Quantum Mechanics (Princeton University Press, Princeton, New Jersey, 1960)
2. M.E. Rose, Elementary Theory of Angular Momentum (Dover Publications, INC., New York, 1957)
3. R.N. Zare, Angular Momentum, Understanding Spatial Aspects in Chemistry and Physics (Wiley, New York, 1988)
4. E.U. Condon, G.H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, Cambridge, 1935)
5. B.L. Van der Waerden, Die Gruppentheoretische Methode in der Quantenmechanik (Springer, Berlin, 1932)